121232100330000 has 800 divisors, whose sum is σ = 484461226782720. Its totient is φ = 28764256320000.

The previous prime is 121232100329993. The next prime is 121232100330037. The reversal of 121232100330000 is 33001232121.

121232100330000 is a `hidden beast` number, since 1 + 2 + 1 + 232 + 100 + 330 + 0 + 0 + 0 = 666.

It is a super-2 number, since 2×121232100330000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 139155757 + ... + 140024243.

Almost surely, 2^{121232100330000} is an apocalyptic number.

121232100330000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121232100330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242230613391360).

121232100330000 is an abundant number, since it is smaller than the sum of its proper divisors (363229126452720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121232100330000 is a wasteful number, since it uses less digits than its factorization.

121232100330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868582 (or 868555 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121232100330000 its reverse (33001232121), we get a palindrome (121265101562121).

The spelling of 121232100330000 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, one hundred million, three hundred thirty thousand".